City officials yesterday slapped the owners of the Sony Building on Madison Avenue with a violation after ice broke through the ceiling of its atrium, showering glass over partygoers — including a slew of celebs — who were celebrating the Jewish holiday of Purim.

They could face a $25,000 fine for failing to maintain the building.

No one was hurt. Among the celebrants was “Jersey Shore” regular Nicole “Snooki” Polizzi, who tweeted: “Omg roof just collapsed at the purim event!”